"This volume is not formatted as APFS"
Got this error while trying to update to macOS Catalina. How do I repartition my drive?
User profile for user:
chuck_3rd
User level:
Community Specialist
Hi amb97,
Welcome to Apple Support Communities. I understand you're unable to update the Mac to macOS Catalina due to the volume not being formatted as APFS. I can help point you in the right direction.
First step is to ensure that your data is backed up. Here's two helpful articles on how to create a backup: Back up your Mac with Time Machine and and Other ways to back up and restore files
Then, you'll need to erase the disk and install macOS Mojave. This will help reinstall APFS file system on your Mac, so that you can successfully update to macOS Catalina. Here's how to erase the disk and install macOS Mojave on your Mac: Here's how to proceed:
1.) How to erase a disk for Mac
2.) How to reinstall macOS from macOS Recovery
Cheers!